SPACI score report for 2io1 in ASTRAL 2.05:

PDB Entry: 2io1
SPACI score: 0.3
AEROSPACI score: 0.3 (mutant; see below)

Experiment type: XRAY
Resolution: 2.6
R-factor: 0.204
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.046
WCK2 WHAT_CHECK Ramachandran: -1.884
WCK3 WHAT_CHECK Chi angles: -2.201
WCK4 WHAT_CHECK Backbone: 0.778

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOPe contain the phrase mutant. The full comment is: "mutant; automatically matched to d1wm2a_; automatically matched to 2IO0 A:364-589; automated match to d1wm2a_; automated match to d2io0a1"

Note: Here are links to pages about PROCHECK and WHAT_CHECK.

Here is the full WHAT_CHECK report on this protein (linked from the WHAT_CHECK site).